Not tested but you can try:
Code:
hooksecurefunc("CompactUnitFrame_UpdateStatusText", function(self)
local statusText = self.statusText
if statusText and statusText:IsShown() then
if self.optionTable.healthText == "losthealth" and tonumber(statusText:GetText() or "") then
if not statusText.fontOverridden then
statusText.fontOverridden = true
statusText:SetFont("Fonts\\ARIALN.TTF", 16)
statusText:SetTextColor(0.95, 0.2, 0.2)
end
elseif statusText.fontOverridden then
statusText.fontOverridden = nil
statusText:SetFont("Fonts\\FRIZQT__.TTF", 12)
statusText:SetTextColor(0.5, 0.5, 0.5)
end
end
end)